Perky: Bar's wet long sleeved T-shirt clung to her breasts as she climbed out of the pool

Right before she jumps in, Bar is seen sitting on a sun lounger in a pair of geeky but still sexy specs reading a book.

The wind catches the pages and they fly about the pool as she closes her eyes and looks up to the sun before jumping into the water.

Cheeky! The Israeli model couldn't resist flashing her bottom again as she climbed out of the pool...

... but with a derriere like that, who can blame her!

Bar said this clip, the third advertising the under.me range, is celebrating summer and the collection which is 'uniquely designed for ultimate comfort, freshness and style'.

The entire range was launched back in April and has been exclusively designed bu the model who has stuck to simple lines and soft cotton.

relaxing: The advert starts with Bar getting into a good book by the pool

Sexy and studious: Bar even managed to make geeky glasses look hot

When she launched it she said: 'My
underwear is the clothing article closest to my body, and as such, I
want it to complement it and not steal the show. There is nothing better
than simple, comfortable, quality clothing.

'My work means I’m travelling
all the time, rushing from city to city and wearing the most incredible,
elaborate designs. I love it, but on my downtime I just want to relax
and be myself.I don’t want my clothes to
define me.

It's too hot to read: Bar turns her face up to the sun...

... as the pages blow away across the pool

'And that’s the idea behind under.me - a focused collection
of beautifully-made basics that look good and feel amazing. That’s all I
need.'